Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HAWTHORNE ARMY AMMUNITION PLANT
US RTE 95 N, HAWTHORNE, NV, 894155000
Parent company: DAY & ZIMMERMANN/BASIL CORP
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Lead | Chlorine | Pentachlorophenol | Zinc (fume or dust) | Copper | Total (lbs) |
| 1991 | — | — | 750 | — | — | 750 |
| 1990 | — | 10,000 | 750 | — | — | 10,750 |
| 1989 | — | 10,000 | 1,100 | — | — | 11,100 |
| 1988 | — | — | 1,500 | 1,790 | 1,500 | 4,790 |
| 1987 | 27,250 | — | — | — | — | 27,250 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.